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      Thermal conductivity measurement and prediction of particulate foods

      Carson, James K.
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      Thermal conductivity measurement and prediction of particulate foods.pdf
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      DOI
       10.1080/10942912.2015.1016576
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      Carson, J. K. (2015). Thermal conductivity measurement and prediction of particulate foods. International Journal of Food Properties, 18(12), 2840–2849. https://doi.org/10.1080/10942912.2015.1016576
      Permanent Research Commons link: https://hdl.handle.net/10289/13290
      Abstract
      There is reason to question some of the published thermal conductivity data for particulate foods. It is argued in this paper, based on thermal conductivity bounds analysis, that the thermal conductivity of particulate foods should range between 0.03 W m⁻¹ K⁻¹ and 0.30 W m⁻¹ K⁻¹ (provided the porosity is greater than 25%), and that any data outside this range should be rejected. This argument was supported by data for five foods measured as part of this study (cocoa powder, corn starch, whole milk powder, sucrose, and wheat flour), and the majority of published data for particulate foods do indeed fall within this range. The geometric model was found to provide the most accurate thermal conductivity predictions of the models considered, and is recommended for use in first approximation predictions.
      Date
      2015
      Type
      Journal Article
      Publisher
      Taylor & Francis
      Rights
      This is an author's accepted version of an article published in the International Journal of Food properties. © 2015 Taylor & Francis
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      • Science and Engineering Papers [2945]
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